body {
    background-color: #000;
    color: #fff;
    font-family: Arial, sans-serif;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    height: 100vh;
    overflow: hidden;
    margin: 0;
}

.u-header,
.u-section-1,
.u-footer {
    background-color: #000;
    color: #fff;
    padding: 20px;
    border-radius: 10px;
    max-width: 600px;
    width: 100%;
    text-align: center;
    margin-bottom: 20px;
}

.u-text-1,
.u-text-2,
.u-text-3 {
    color: #0af;
}

.u-text-1 {
    font-size: 24px;
    animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.u-button-style {
    border-radius: 5px;
    padding: 10px 20px;
    background-color: #0af;
    color: #fff;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.u-button-style:hover {
    background-color: #08d;
}

.u-footer {
    margin-top: auto;
}